Volume 6 - Part 10:

[2%] The least I could was try >> should be could do was

Volume 12 - Part 6:

[31%] “Don’t say that,” Clouseau muttered. “I’ll start crying,” ► It should be a period.

Part 8

48%
The base of operations of the Area 2 Fleet, the star system known as the Secar Viscountdom was virtually a war plant.
--insert comma

67%
As a result, the military succeeded in taking Lahkfacar, and gained control of the three
--delete comma

67%
There will be a different mission or you."
--for

95%
Its territory has been torn apart, with no ability to contact each other.
--seems like odd phrasing

Volume 2 - Part 10:

[Generic] The illustrator's name is Hyuga (single u) on the cover but it's written 2 times as Hyuuga (double u) in the afterword.